专利汇可以提供Exciter for superconductive generator专利检索,专利查询,专利分析的服务。并且PURPOSE:To suppress the commutation surge voltage producing during the normal operation and to enhance the peak voltage at a system fluctuating time by providing twice an exciting power source and a thyristor. CONSTITUTION:A breaker 11 is closed, and a power source is supplied from an exciting power transformer 3 directly to a thyristor bridge 4 or to a thyristor bridge 13 through a step-down transformer 14 during the normal operation of a generator 1. The firing angle of the thyristor of the bridge 13 is maintained substantially at 180 deg. at the normal operation time, and the firing angle of the thyristor of the bridge 4 is controlled by a pulse signal 7. The phase angle of the thyristor of the bridge 13 is controlled by a pulse signal 15 at the system fluctuating time. Further, the breaker 11 is opened and the breaker 12 is closed at the generator near terminal trouble time, a negative voltage corresponding to the peak voltage is applied from another power source to the bridge 13 to abruptly attenuate the remaining magnetic flux of a field winding.,下面是Exciter for superconductive generator专利的具体信息内容。
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